Ball Type Check Valve Ductile Iron

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 10 Pieces pc

Supply Capability:: 100000 Pieces Per Year pc/month

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Ball Type Check Valve Ductile Iron

*Good quality with reasonable price.

*Qick deliver time and enough store of valves.

*Many types to choose.

Ball Type Check Valve Ductile Iron GGG40 DIN Standard

Design Standard:

Face to Face DIN3352-F1

Flanged Ends BS EN1092-2

Main Parts and Materials

No. Parts Name Material

1 Valve Body/Bonnet Ductile Iron GGG40/GGG50

2 Plug Malleable Cast Iron

3 Ball sealer Carbon steel A3+NBR

4 Seal O-ring NBR

5 Hex bolt Carbon Steel Zinc Plated 45#

Specifications

flanged Swing Check Valve

size: 1/2"-42"

material: steel

Certification:ISO9001,ISO14001,API609,CE0036

Guarantee: 18months

Q: Is the check valve and relief valve something?: The check valve is to prevent backflow of water; the relief valve is to prevent water pressure from rising.

Q: How to install the check valve?: Mounting position of check valve:Installed in the cut-off valve (solenoid valve, pneumatic valve, etc.), to prevent the back of the valve medium, the formation of back pressure or water hammer, affecting the normal use of the front valve.Check valve installed in the pipe bend elbow or vertical direction of the drop is larger, but also to prevent water hammer impact on the pipeline and damage.

Q: How to use the check valve when the size of the pressure?: 1, the use of check valve, the pressure level should be the size of the pipe corresponding to the pressure level.2, check valve and other valve class, the pressure levels for 0.6Mpa, 1Mpa, 1.6Mpa, 2.5mPA, 4mPA, 6 Mpa...... Wait。 If your pipe is between standard pressure, use a higher pressure grade. Such as: pipe pressure 1.8Mpa, the minimum choice of 2.5Mpa check valve.

Q: What is the function of the check valve installed in the water meter before entering the residential water?: Generally installed after the water meter. The main reason: if the water point is higher than the water meter installation position, once the pipe network in the absence of water, the remaining water in the pipeline will flow in the direction of the water meter in turn. This will cause the water meter to reverse and cause damage to the water meter. A check valve is installed after the water meter, so that the situation can be avoided.The main function of the check valve is to prevent the backflow of the medium, prevent the reverse of the pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure.

Q: What are the types of check valves?: Taiwan reasonable, this may not have domestic, if you can name, you can call three one-way valve, we can see in accordance with the structure of the spring type.Front Ze valve provides: hope to adopt!!!I hope I can help you.

Q: What does "H" for H42W check valves mean?: Valve type codeGate valve ---ZStop valve ---JThrottle valve ---LBall valve ---QButterfly valve ---DDiaphragm valve ---GPlug valve ---XCheck valve and valve ---HSafety valve ---ARelief valve ---YSteam trap ---SConnection form codeInternal thread ---1External thread ---2Flange ---4Welding ---6Yes, clip ---7Clamp ---8Jacket ---9Check valve and valve structure of codeLifting typeA.

Q: What about boiler non-return valve without return?: Reliably disconnect the front and rear valves of the check valve and open the check valve spool. 1, lift check valve, remove dirt and impurities out of the valve, and the necessary lifting shaft between the sand, and then check the sealing surface (line), install the recovery; 2, open the valve, visible to the rotary valve plate, sometimes is the axis of rotation is not flexible, it will add oil activities for many times, then look at the rotary valve in the fully open, whether the opening angle is too large, can not rely on medium reflux and gravity recovery closed, if so, then the opening plus limit (which can be in the spool in the valve plate drilling and tapping screw, in a small Luo Si), do not let the valve plate open to the vertical state, which can be opened to an angle of 80 degrees. You can have a try. Good luck. Happy new year.

Q: See English design drawings, found the check valve to a lot of good variety, do not know how to translate, please come and see God, and generous with your criticism.CHECK VALVE I search on the Internet, that is, the meaning of the check valve, but so many kinds, really do not know what it means, not only did not see, never heard of.CHECK VALVE - ANGLECHECK VALVE - ANGLE STOPCHECK VALVE - ANTI WHIPCHECK VALVE - STOPCHECK VALVECHECK VALVE - TILTING DISKCHECK VALVE - WAFERCHECK VALVE - Y STOPHigh reward oh, good answer, I will give you a big additional scores drop, huh, worried about kazakhstan. StopPlease make a explanation according to my offer English name, online copy paste do not explain visual satisfaction, I will give you an additional 20~100.Starbooks | browse 5128: Check valve (One-way valve): check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline. Pump water off the bottom valve check valve also belongs to class.The opening and closing parts depend on the flow of the medium and the power is turned on or off by itself. The valve that prevents the backflow of the medium is called a check valve.

Q: How to install the kitchen flue check valve?: First, we should pay attention to the direction of check valve opening, open the location to smoke pipe opposite;Second, we should pay attention to check valve and common flue or after the installation of household flue sealing point, if the conditions are called thick putty plugging;Third, after the check valve is installed and fixed, the smoke exhaust pipe should be tightly packed with the check valve.Remark: when choosing check valve, choose a brand with better sealing effect, such as submarine.

Q: Check valves - check valves - what's the difference between one-way valves?: Are check valvesCheck valves are widely used and there are many kinds of check valves. The following are common water supply and heat check valves:1, spring: the liquid from the bottom up, rely on the pressure spring controlled valve, the pressure disappears, the spring force the valve, sealing liquid backflow. Often used in the smaller diameter check valve.2, gravity: and spring similar to rely on the valve's own gravity closed to prevent backflow.

Our products are in accordance with different standards, such as API, DIN, JIS, BS, and GB, as well as non-standards. We also provide OEM products according to client requirements. Our products are widely used in oil refinery, petroleum, chemical plant, power station, natural gas, and civil industry. We have obtained ISO9001 International Quality Management System Certificate.

1. Manufacturer Overview

Location	Jiangsu,China
Year Established	2001
Annual Output Value	US$10 Million - US$50 Million
Main Markets	North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe
Company Certifications	ISO9001

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:	English
b) Factory Information
Factory Size:
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
Product Price Range	High and/or Average